Yamata PSP-990A Iron "little yellow steam working" Questions

...little rust on it, so I used vinegar to clean it out. It will not heat up. the auto/shutoff button is on, but that is the only one that is lit up. This is a problem with a lot of Rowenta irons. It is ...

...Yellow lamp illuminates when steam buttons are pressed-Green lamp off. I dissembled the device and drew an electrical diagram and electronic schematic (circuit board). The problem was a defective 12V ...